Home / 64,514.10-96,641.55-36,779.70

Finding the Fourth Proportional to 64,514.10, 96,641.55 and 36,779.70

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Solution

The fourth proportional to 64,514.10, 96,641.55 and 36,779.70 is: 55,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514.10 : 96,641.55 = 36,779.70 : x
  2. Step 2: Convert to fraction form
    64,514.10/96,641.55 = 36,779.70/x
  3. Step 3: Cross multiply
    64,514.10x = 96,641.55 × 36,779.70
  4. Step 4: Simplify right side
    64,514.10x = 3,554,447,216.54
  5. Step 5: Solve for x
    x = 3,554,447,216.54/64,514.10
  6. Step 6: Final answer
    x = 55,095.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.